图像形态学的开操作和闭操作

Viktor posted @ Jun 17, 2008 09:27:43 AM in 算法与原理 with tags 图像 形态学 开操作 闭操作 Open Close Hit Miss 模板 , 7982 阅读

明天考试用

 

开操作是先减后加（术语叫先腐蚀后膨胀，不管啦……）

 

闭操作是先加后减

 

真犯迷糊的时候，记得开字的写法，先写“-”后写“+”就想起来了……

 

Hit和Miss都是用的减法（很理解）

 

加法是直接叠合，而减法是找能容得下模板的地方……

 

其实加法的定义不是直接叠合，而是要先求对称再什么玩意……然则算的时候都是直接叠合，其中奥妙，颇有反弹琵琶之意味。

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